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Duet Web Control vs OctoPrint: catalog facts
Duet Web Control	OctoPrint
	Screenshots
Best for: Controlling a Duet-based 3D printer from a browser	Best for: Control and monitor a 3D printer from a browser
Free Free and open source.	Free Free and open source. Hosting, hardware and any external services are separate.
Web, Self-hosted	Linux, Self-hosted, Web
No separate host computer needed Responsive layout works on phones and desktops All 3 strengths for Duet Web Control No separate host computer needed Responsive layout works on phones and desktops Maintained by the Duet3D hardware maker	Manages uploaded print files and print jobs Supports an extensive plugin system
Only works with RepRapFirmware on Duet electronics	Requires a host computer and a compatible printer connection.
Self-hosted	Self-hosted, Web application
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for Duet Web Control github.com/Duet3D/DuetWebControl Catalog checked September 23, 2026	Official website Full listing and sources Sources for OctoPrint octoprint.org github.com/OctoPrint/OctoPrint Catalog checked September 22, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.

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